1313224321312 has 24 divisors (see below), whose sum is σ = 2586786451200. Its totient is φ = 656262682944.

The previous prime is 1313224321309. The next prime is 1313224321351. The reversal of 1313224321312 is 2131234223131.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10860112 + ... + 10980367.

It is an arithmetic number, because the mean of its divisors is an integer number (107782768800).

Almost surely, 2^{1313224321312} is an apocalyptic number.

It is an amenable number.

1313224321312 is a deficient number, since it is larger than the sum of its proper divisors (1273562129888).

1313224321312 is a wasteful number, since it uses less digits than its factorization.

1313224321312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21842368 (or 21842360 counting only the distinct ones).

The product of its digits is 5184, while the sum is 28.

Adding to 1313224321312 its reverse (2131234223131), we get a palindrome (3444458544443).

The spelling of 1313224321312 in words is "one trillion, three hundred thirteen billion, two hundred twenty-four million, three hundred twenty-one thousand, three hundred twelve".